參數(shù)資料
型號(hào): TPS5120DBTG4
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): 穩(wěn)壓器
英文描述: 1.5 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO30
封裝: GREEN, PLASTIC, TSSOP-30
文件頁(yè)數(shù): 5/23頁(yè)
文件大?。?/td> 489K
代理商: TPS5120DBTG4
TPS5120
DUAL OUTPUT, TWOPHASE SYNCHRONOUS BUCK DC/DC CONTROLLER
SLVS278E – AUGUST 2000 – REVISED MARCH 2003
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 10
ERROR AMPLIFIER INPUT OFFSET VOLTAGE
vs
JUNCTION TEMPERATURE
2.20
2.25
2.30
2.35
2.40
2.45
2.50
2.55
–50
0
50
100
150
V
IO
Error
Amplifier
Input
Offset
V
oltage
mV
VCC = 28 V
TJ – Junction Temperature – °C
VCC = 4.5 V,
VCC = 7 V
Figure 11
ERROR AMPLIFIER OUTPUT VOLTAGE
vs
JUNCTION TEMPERATURE
1.50
1.75
2.00
2.25
2.50
2.75
3.00
–50
0
50
100
150
V
O+
Positive
Error
Amplifier
Output
V
o
ltage
V
VCC = 4.5 V,
VCC = 7 V,
VCC = 28 V
TJ – Junction Temperature – °C
Figure 12
ERROR AMPLIFIER OUTPUT VOLTAGE
vs
JUNCTION TEMPERATURE
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
–50
0
50
100
150
V
O
Negative
Error
Amplifier
Output
V
oltage
mV
TJ – Junction Temperature – °C
VCC = 4.5 V,
VCC = 7 V,
VCC = 28 V
Figure 13
SKIP COMPARATOR HYSTERESIS VOLTAGE
vs
JUNCTION TEMPERATURE
7.0
7.2
7.4
7.6
7.8
8.0
8.2
8.4
8.6
8.8
9.0
–50
0
50
100
150
V
hys
Skip
Comparator
Hysteresis
V
oltage
mV
VCC = 4.5 V
VCC = 7 V
VCC = 28 V
TJ – Junction Temperature – °C
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